3.8
GPS Antenna Requirements
Use an antenna in table 3-8 to get the best performance with the GTX 3X5 with internal GNSS receiver.
These antennas meet specifications in the document Antenna Minimum Performance Specification for
Garmin's GPS/WAAS Receiver System.
Model/Description
GA 35, GPS/WAAS [1]
GA 36, GPS/WAAS
GA 37, GPS/WAAS/XM
A33W, WAAS Antenna
GPS/VHF Antenna [2]
GPS/VHF Antenna [2]
GPS/XM/VHF Antenna [3]
GPS/XM/VHF Antenna [3]
GPS/WAAS Antenna
GPS/XM Antenna
[1] Same mounting hole pattern as GA 56, except GA 35 has a physically larger footprint.
[2] The GPS antenna connector is a TNC and the VHF connector is BNC.
[3] The GPS antenna connector is a TNC connector, the XM connector is TNC, and the VHF
connector is BNC.
190-01499-02
Rev. 4
Table 3-8 GNSS Receiver Antennas
Connector
Manufacturer
Type
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
TNC/BNC
Comant
TNC/BNC
Comant
TNC/TNC/BNC Comant
TNC/TNC/BNC Comant
TNC
Comant
TNC/TNC
Comant
P/N
013-00235-( )
AT575-93G( )-TNCF-000-RG-27-NM
013-00244-( )
AT575-126G( )-TNCF-000-RG-27-NM
013-00245-( )
AT2300-126G( )-TNCF-000-RG-27-NM
013-00261-( )
AT575-332G( )-TNCF-000-RG-27-NM
CI-2580-200
CI-2728-200
CI-2580-410
CI-2728-410
CI-428-200
CI-428-410
GTX 3X5 Transponder TSO Installation Manual
Garmin Order
Number
013-00235-( )
N/A
013-00244-( )
N/A
013-00245-( )
N/A
013-00261-( )
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Page 3-9